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 ###Instrução: Qual é o menor Greater Doubles, quando Doubles, I Class é 23, e quando Doubles, II Class é menor que 27?
 ###Tabelas: CREATE TABLE cfl_draft (cfl_draft_id AUTO_INCREMENT PRIMARY KEY, Round INT, Pick VARCHAR, Player VARCHAR, Position VARCHAR, School/Club Team VARCHAR) CREATE TABLE first_round_1_16_finals (first_round_1_16_finals_id AUTO_INCREMENT PRIMARY KEY, Team 1 VARCHAR, Agg. VARCHAR, Team 2 VARCHAR, 1st leg VARCHAR, 2nd leg VARCHAR) CREATE TABLE some_differences_in_relation_to_later_editions_of_the_roman_calendar (some_differences_in_relation_to_later_editions_of_the_roman_calendar_id AUTO_INCREMENT PRIMARY KEY, Date INT, Doubles, I Class INT, Doubles, II Class INT, Greater Doubles INT, Doubles INT, Semidoubles INT, Total INT) CREATE TABLE 2010_2011_table (2010_2011_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Tries for VARCHAR, Tries against VARCHAR, Try bonus VARCHAR, Losing bonus VARCHAR, Points VARCHAR) CREATE TABLE indian_standard_beams_ismb (indian_standard_beams_ismb_id AUTO_INCREMENT PRIMARY KEY, Type VARCHAR, Beam height (mm) INT, Flange width (mm) INT, Web thickness (mm) VARCHAR, Flange thickness (mm) VARCHAR, Weight (kg/m) VARCHAR, Cross-section area (cm 2 ) VARCHAR, Moment of inertia in torsion (J) (cm 4 ) VARCHAR)  
SELECT MIN Greater Doubles FROM some_differences_in_relation_to_later_editions_of_the_roman_calendar WHERE Doubles, I Class = 23 AND Doubles, II Class < 27